SENSOR FOR MEASURING CONCENTRATION OF OBJECT SUBSTANCE BY COLOR CHANGE, SENSING SYSTEM COMPRISING SAME, AND METHOD FOR MANUFACTURING SAME SENSOR

摘要

Disclosed is a sensor for measuring a concentration of an object substance by a color change. The present sensor comprises: a pad; and a support member having the pad attached thereto, wherein the pad is dried after being immersed in a solution containing an ionized indicator dye and an ionic substance consisting of "an ion having an opposite polarity to the ionized indicator dye among a cation and an anion constituting the ionic liquid".